EP2734426A1 - Elektromagnetisch betätigbares ventil - Google Patents
Elektromagnetisch betätigbares ventilInfo
- Publication number
- EP2734426A1 EP2734426A1 EP12724974.6A EP12724974A EP2734426A1 EP 2734426 A1 EP2734426 A1 EP 2734426A1 EP 12724974 A EP12724974 A EP 12724974A EP 2734426 A1 EP2734426 A1 EP 2734426A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- valve
- axial stop
- valve according
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011324 bead Substances 0.000 claims description 21
- 230000004907 flux Effects 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 244000186140 Asperula odorata Species 0.000 description 1
- 235000008526 Galium odoratum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/363—Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
Definitions
- Electromagnetically Operated Valve The invention relates to an electromagnetically operable valve, in particular for
- Valves of the type mentioned in the introduction are known from the prior art, for example as metering or injection valves for motor vehicles.
- document EP 1 232 082 B1 discloses an electromagnetically operable valve with a sleeve in which a magnetic core and a magnetic armature actuating a valve element are arranged so as to be axially displaceable.
- the valve element acts with a valve opening for closing or
- Valve opening in the de-energized or de-energized state of the valve is closed / is.
- One of the spring elements is designed as a disc spring, the anchor end face of the armature, so the
- Magnetic core facing end face of the magnet armature at least in an actuation of the valve acted upon by a spring force.
- the disc spring is held between the core end face, that is, the magnet armature facing end face of the magnetic core, and the armature end face, so that the disc spring is supported on the magnetic core to apply the magnet armature with a spring force can. Disclosure of the invention
- the valve according to the invention is characterized by the features of claim 1. It has the advantage that the core end face can be designed essentially freely, without having to take account of the intermediate disc spring or its contact point on the core end face. As a result, the core end face can be optimally designed with regard to the magnetic flux.
- the valve according to the invention is characterized in that the
- the disc spring is so on the sleeve that it is supported on it.
- the disc spring is frictionally or non-positively supported on the sleeve.
- the disc spring is pressed, for example under elastic and / or plastic deformation in the sleeve
- the spring element is positively supported on the sleeve, since then high forces can be transmitted safely without the spring element can be released from its position or from the support point.
- the sleeve has an axial stop for this purpose.
- the axial stop is preferably arranged on the inside of the sleeve such that it is axially between the magnet armature and the magnetic core or at the height of the
- the axial stop is arranged with respect to the core end face reset, in which case the core would have to have a corresponding lateral recess at this point, where the axial stop of the sleeve rests.
- the axial stop is preferably attached as a separate component to the sleeve or integral with the sleeve
- the sleeve has a diameter taper to form the axial stop. Due to the diameter taper, a shoulder is formed in the sleeve, which serves as an axial stop.
- the diameter narrows along the entire length Circumference of the sleeve, as a result, an annular, in particular annular shoulder and thus an annular or annular axial stop offered, on which the spring element is supported.
- the diameter taper can extend only locally over a narrow axial region of the sleeve, so that before and behind the
- the sleeve has the same diameter, or it may be defined by a stepped configuration of the sleeve with two different diameters.
- the axial stop is generated by a deformation of the shell wall of the sleeve.
- the sleeve has at least one peripheral bead to form the axial stop.
- the bead can be produced for example by subsequent rolling of the sleeve or the like.
- the sleeve has at least one, in particular a plurality of longitudinal beads distributed uniformly in particular uniformly distributed over the circumference of the sleeve for forming the axial stop.
- the longitudinal beads end or begin at the same height, where the axial stop should be provided.
- the longitudinal beads are provided in addition to one or more circumferential beads, whereby the stability or rigidity of the sleeve is improved.
- the longitudinal beads and also the circumferential beads are preferably introduced by an embossing process in the sleeve.
- the sleeve is plastically deformed in the region of the axial stop for stiffening the sleeve.
- the one or more longitudinal corrugations can be provided for this purpose.
- areas of the sleeve produced by crimping or pressing can be assigned to the axial stop.
- the sleeve is heat-treated at least in the region of the axial stop. This will ensures that the sleeve has a higher rigidity at least in the region of the axial stop, so that even with a long service life of the valve, the spring element finds a secure base on the axial stop.
- At least one stiffening element associated with the axial stop is arranged.
- the stiffening element is expediently fastened / attached to the sleeve, so that it receives the shape of the sleeve, even at a high load, at least in the region of the axial stop.
- Particularly preferred is the stiffening element on the
- the stiffening element is designed as a stiffening ring, which is pushed onto the sleeve. It corresponds to the
- Inner diameter of the ring at least substantially the
- the inner contour of the stiffening ring corresponds to the outer contour of the sleeve in the region of the axial stop.
- the diameters are selected such that the stiffening ring can be pressed onto the sleeve, as a result of which it is frictionally secured to the latter.
- fasteners such as a
- the stiffening element may also be a mounting element of the valve.
- the stiffening element can be formed for example by a body part or the housing of a structural unit, to which the valve is attached or is.
- Figure 1 shows a known magnetic valve
- Figure 2 shows the solenoid valve with an axial stop for a spring element
- Figure 3 shows the valve of Figure 2 with an additional
- Figure 5 shows the valve with a cup-shaped spring element
- valve 6 shows the valve with a longitudinal bead, each in one
- FIG. 1 shows, in a longitudinal section illustration, an electromagnetically operable valve 1, which can be installed in particular in hydraulic systems of motor vehicles.
- the valve 1 has a substantially cylindrical sleeve 2, which carries at one end a magnetic core 3 which is fixedly connected to the sleeve 2.
- the magnetic core 3 is associated with a coil, not shown here, by the energization of the magnetic core 3 attracts an axially displaceably arranged in the sleeve armature 4.
- the armature 4 has a stepped through hole 5, in which on the side facing away from the magnetic core 3, a valve element 6 is held, which has a valve tip 7, with a valve seat or with a valve opening 8 for closing or releasing a
- Flow cross-section cooperates.
- an axially displaceable pressure piece 9 is further held, which is acted upon at one end by a spring element designed as a helical spring 10, which is supported at one end to the valve element 6, and the other end to the
- the magnet core 3 in this case has a magnet armature 4 facing, rotationally symmetrical core end face 1 1, and the magnet armature 4 a magnetic core 3 facing, rotationally symmetrical armature end face 12.
- the pressure member 9 protrudes beyond the armature end face 12 and is located on the core end face 1 first in the middle.
- rotationally symmetrical disc spring 14 is formed and between the Core end face 1 1 and the anchor end face 12 is held clamped or biased.
- the spring element 13 In the illustrated starting position, ie in the unactuated state, the spring element 13, however, need not necessarily be biased or held clamped.
- the training can also be made according to an alternative embodiment such that the
- the disc spring 14 has centrally an opening 15 through which the pressure piece 9 protrudes to the at
- the core end face 1 1 has in the middle a region in which the core end face 1 1 extends perpendicular to the axis of the valve 1, and on which the pressure piece 9 rests. This region has a radius which extends beyond the pressure piece 9 and thus forms a bearing surface for the disc spring 14.
- the armature 4 has at its anchor end face 12 a
- Woodruff key 14 with its outer edge region.
- the disc spring 14 thus forms with the armature 4 and the magnetic core 3 each have a contact point 16 and 17, respectively, in the present
- Embodiment are designed as annular bearing surfaces.
- the core end face 1 1 and the armature end face 13 in radial extension, that is, starting from the axis of the valve 1, formed obliquely, wherein the inclined portions extend substantially parallel to each other, so that the core end face 1 1 and the armature end face 12 formed complementary so far are.
- the solenoid valve when the solenoid valve is energized or actuated, the magnetic core 3 attracts the armature 4, whereby the braced held therebetween disc spring 14 is deformed, thereby generating a spring force acting between the magnetic core 3 and magnet armature 4. If the solenoid valve is deactivated or the power supply is terminated, this is urgent
- FIG. 2 shows, in an enlarged detail view of the longitudinal section illustration, an advantageous development of the valve 1 in the sense of the invention. It is provided that the spring element 13 and the disc spring 14 is supported with its outer edge on the sleeve 2. For this purpose, the sleeve 2 a
- the sleeve 2 is stepped, with a first portion 21 in the region of the magnet armature 4, and a second portion 22 in the region of the magnetic core 3, wherein the portion 21 has a larger diameter than the portion 22, so that the transition from the one Section 21 to the other portion 22 forming diameter taper 20 den
- Axial stop 19 in the form of a circumferential shoulder for the spring element 13 forms, which extends over the entire circumference of the sleeve 2, so that the spring element 13 rests with its entire outer edge against the axial stop 19.
- Magnetic armature 3 can be done freely, but at least without having to consider a stop for the spring element 13. So it is conceivable that
- Core face 1 1 flat, as shown, or curved or angled in
- the spring washer is thereby not in direct contact with the Polatory magnetic core 3, which may be beneficial for the magnetic flux.
- the spring element 13 itself may be magnetic or non-magnetic. Due to the magnetic design and the present design of the valve, the magnetic flux is less influenced as in a valve in which the spring washer 14 rests against the magnetic core 3.
- Figure 3 shows an advantageous development in which the axial stop 19 is associated with a stiffening element 23 which is arranged on the axial stop 19 opposite side of the jacket wall 24 of the sleeve 2. Due to the stepped design of the sleeve 2, the stiffening element 23 rests on the rear, formed by the cross-sectional taper projection 25 of the sleeve 2, and thus supports the sleeve 2 in the region of the diameter taper
- the stiffening element 23 formed here as a stiffening ring is pushed onto the sleeve 2 and fixedly connected to it by welding, gluing or the like, for example. It is also conceivable to screw the stiffening ring or the stiffening element 23 to the sleeve 2. For this purpose, one or more screw connections can be provided. Preferably, however, the stiffening element 23 has an internal thread and the sleeve 2 a
- Stiffening element 23 has a diameter taper.
- the stiffening ring shown instead of the rectangular profile - as shown - has a profile which has a snug against the sleeve 2 geometry, in particular without sharp edges.
- FIG. 4 shows a further embodiment, which differs from the one of FIG.
- the previous embodiment differs in that the sleeve 2 for forming the diameter taper 20 is not stepped, as described above, but has a circumferential bead 26.
- the bead 26 extends over the entire circumference of the sleeve 2, so that the sleeve 2 has substantially the same diameter throughout, and is only partially tapered by the bead 26, wherein, as shown, the spring element 13 at the through the bead 26th formed axial stop 19 is supported.
- FIG. 5 shows an advantageous embodiment in another exemplary embodiment
- the disc spring 14 in this case has a bent outer edge 28, so that the disc spring receives a cup-shaped design.
- the outer edge 28 is in the direction of the armature 4, ie in the
- Axial stop 19 is supported.
- the leadership of the disc spring 14 is improved.
- the spring washer 14 is also stiffer.
- FIG. 6 shows a further exemplary embodiment of the valve 1, which in the
- the axial stop 19 is not formed circumferentially by a bead or a stepped design of the sleeve 2, but by a plurality of distributed along the circumference arranged longitudinal corrugations 29.
- the longitudinal corrugations 29 terminate at the same height of the sleeve 2, so that distributed over the circumference formed axial stops 19 are at the same height and thus the spring washer 14 receives the desired position and orientation and corresponding to the
- Axial stop 19 of the sleeve 2 can support.
- Stiffening element as described in the embodiment of Figure 3, is provided.
- the disc spring 14 as shown in Figure 5, provided with a bent outer edge.
- the disc spring 14 instead of the disc spring 14 to provide a different kind of spring element 13, which between the
- the disc spring 14 is made of a magnetic material in order to obtain a desired magnetic flux. Of course, it is also not possible to provide magnetic materials for the disc spring 14.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110079629 DE102011079629A1 (de) | 2011-07-22 | 2011-07-22 | Elektromagnetisch betätigbares Ventil |
PCT/EP2012/060058 WO2013013866A1 (de) | 2011-07-22 | 2012-05-29 | Elektromagnetisch betätigbares ventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2734426A1 true EP2734426A1 (de) | 2014-05-28 |
EP2734426B1 EP2734426B1 (de) | 2016-07-13 |
Family
ID=46201616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12724974.6A Active EP2734426B1 (de) | 2011-07-22 | 2012-05-29 | Elektromagnetisch betätigbares ventil |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2734426B1 (de) |
CN (1) | CN103702876B (de) |
DE (1) | DE102011079629A1 (de) |
WO (1) | WO2013013866A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020004451B3 (de) | 2020-07-23 | 2021-12-16 | Staiger Lebensräume Gmbh & Co. Kg | Verfahren zur Herstellung eines Ventils |
DE102020005978B4 (de) | 2020-09-30 | 2022-09-29 | Staiger Lebensräume Gmbh & Co. Kg | Ventil |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2665842B2 (ja) * | 1991-08-02 | 1997-10-22 | 三菱電機株式会社 | 電磁弁 |
DE4244113A1 (de) * | 1992-12-24 | 1994-06-30 | Bosch Gmbh Robert | Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff in einen Ansaugkanal einer Brennkraftmaschine |
DE4309739C2 (de) * | 1993-03-25 | 1998-07-02 | Freudenberg Carl Fa | Elektromagnetisch betätigbares Ventil |
DE19611886A1 (de) * | 1996-03-26 | 1997-10-02 | Bosch Gmbh Robert | Magnetventil |
JP2000046228A (ja) * | 1998-07-28 | 2000-02-18 | Denso Corp | 流量制御弁 |
US6776391B1 (en) | 1999-11-16 | 2004-08-17 | Continental Teves Ag & Co. Ohg | Electromagnet valve |
US7195027B2 (en) * | 2002-05-02 | 2007-03-27 | Continental Teves Ag & Co. Ohg | Solenoid valve |
DE10254342A1 (de) * | 2002-05-02 | 2003-11-13 | Continental Teves Ag & Co Ohg | Elektromagnetventil |
DE102009055232A1 (de) * | 2009-12-23 | 2011-06-30 | Robert Bosch GmbH, 70469 | Magnetventil, Anker für ein Magnetventil, Verfahren zur Herstellung eines Ankers für ein Magnetventil |
-
2011
- 2011-07-22 DE DE201110079629 patent/DE102011079629A1/de not_active Withdrawn
-
2012
- 2012-05-29 WO PCT/EP2012/060058 patent/WO2013013866A1/de active Application Filing
- 2012-05-29 EP EP12724974.6A patent/EP2734426B1/de active Active
- 2012-05-29 CN CN201280036054.2A patent/CN103702876B/zh active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2013013866A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102011079629A1 (de) | 2013-01-24 |
CN103702876B (zh) | 2016-08-17 |
EP2734426B1 (de) | 2016-07-13 |
CN103702876A (zh) | 2014-04-02 |
WO2013013866A1 (de) | 2013-01-31 |
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